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zubka84 [21]
3 years ago
6

Simplify (3-6i) (-5+ i)

Mathematics
1 answer:
Tanya [424]3 years ago
5 0

Answer:

Simplifed using FOIL: -15+30t+(3-6t)i

Simplifed using distributive property: 15+30t+(3-6t)i

Step-by-step explanation:

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What are thoes answers
lina2011 [118]
1) (-5)(-3) is 15

2) 24/-4  is -6

3) 36(0.5) is 18

3 0
3 years ago
I don't really get this the one on the bottom but you use the top to solve
Vera_Pavlovna [14]

The percentages for each acid are:

  • 0% acid ⇒ percentage disolved = 0%
  • 33% acid ⇒ percentage disolved = 1%
  • 66% acid ⇒ percentage disolved = 2%
  • 100% acid ⇒ percentage disolved = 4.2%

<h3>How to get the percentages?</h3>

Here we just need to use the given formula:

percent\ disolved = \frac{initial\ mass - \ final \ mass}{initial \ mass}*100 \%

For the 0% acid, the initial and final mass are the same:

initial mass = final mass = 10.3g

Then the percent dissolved is:

percent\ disolved = \frac{10.3g - 10.3g}{10.3g}*100 \% = 0 \%

For the 33% acid we have:

  • initial mass = 10.1g
  • final mass =  10g

Then:

percent\ disolved = \frac{10.1g - 10g}{10.1g}*100 \% = 1 \%

For the 66% acid:

  • initial mass = 10g
  • final mass =  9.8g

percent\ disolved = \frac{10g - 9.8g}{10g}*100 \% = 2 \%

for the 100% acid:

  • initial mass = 9.9g
  • final mass =  9.5g

percent\ disolved = \frac{9.9g - 9.5g}{9.9g}*100 \% = 4.2 \%

If you want to learn more about percentages:

brainly.com/question/843074

#SPJ1

5 0
2 years ago
What’s another way to write 6+6+6+6?
vredina [299]
6 times 4
3+3+3+3+3+3+3+3
4 0
3 years ago
Read 2 more answers
The product of x and 6 is greater than or equal to 25
Helen [10]

Answer:

x+6 ≥ 25

Step-by-step explanation:

The product means the sum of <em>x</em> + 6. In this question, <em>x</em> + 6, is greater than or equal to the number 25 which is what  ≥ means. Meaning, <em>x</em> can be replaced by a number that when added to <em>6</em>, <u>will equal to </u><u><em>25</em></u><u> or more</u>. For example, <em>x </em>can equal <em>19, 20, 21 </em>and so on.

5 0
3 years ago
What is 11 22/15 Simplified to the simplest form?
geniusboy [140]
The answer to the question is:

12 7/15

Since it is 11 22/15. When you have 15/15 it makes a whole. Then whatever you have left you make a fraction again.
6 0
3 years ago
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